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* maint: update all copyright year number rangesJim Meyering2012-01-011-1/+1
* Properly quote AC_CHECK_DECLS' 4th argument.Bruno Haible2011-09-151-4/+4
* signbit: Move AC_LIBOBJ invocations to module description.Bruno Haible2011-06-161-4/+2
* maint: update almost all copyright ranges to include 2011Jim Meyering2011-01-011-1/+1
* Support for minus zero in autoconf macros.Bruno Haible2010-12-211-1/+41
* Put more information about failed tests into the test return codes.Bruno Haible2010-12-061-18/+26
* Modernize AC_TRY_RUN invocations.Bruno Haible2010-08-261-6/+13
* Modernize AC_TRY_LINK invocations.Bruno Haible2010-08-261-10/+16
* update nearly all FSF copyright year lists to include 2010Jim Meyering2010-01-011-1/+1
* many *.m4 files: improve m4 quotingJim Meyering2009-01-141-5/+5
* Detect a dysfunctional signbit macro on MacOS X 10.4/PowerPC.Bruno Haible2008-12-091-1/+13
* signbit: avoid spurious compiler failureEric Blake2008-10-251-2/+2
* Avoid compilation error due to MacOS X 10.5 gcc cross-compilation bug.Bruno Haible2008-10-181-2/+4
* Use a more portable replacement expression for -0.0L.Bruno Haible2008-10-081-4/+10
* signbit: work around bug of HP-UX 10.20 cc with -0.0 literalEric Blake2008-09-121-3/+5
* Exploit the __builtin_signbit GCC built-in.Bruno Haible2008-01-261-74/+115
* Use copysign when implementing signbit, if the libc has it already.Bruno Haible2007-04-101-1/+61
* New module 'signbit'.Bruno Haible2007-04-061-0/+164